Found the Eidos UK site, which has support(some) for FF8. Heres a link to a patch thats 'only' for GeForce users, so maybe this will fix your problem, if not just go to the search option on the right and go down to FF8, see if anything else listed will help.
http://www.eidosinteractive.co.uk/su...o.html?ptid=38
Hope it helps ya.